AXTC-MB1
INSTALLATION INSTRUCTIONS
AxxessInterfaces.com © COPYRIGHT 2023 METRA ELECTRONICS CORPORATION REV. 3/7/23 INSTAXTC-MB1
ATTENTION: With the key out of the ignition,
disconnect the negative battery terminal
before installing this product. Ensure that all
installation connections, especially the air
bag indicator lights, are plugged in before
reconnecting the battery or cycling the
ignition to test this product.
NOTE: Refer also to the instructions included
with the aftermarket accessory before
installing this device.
INTERFACE COMPONENTS
TOOLS & INSTALLATION ACCESSORIES REQUIRED
• Crimping tool and connectors, or solder gun,
solder, and heat shrink • Tape • Wire cutter
• Zip ties • Multimeter
TABLE OF CONTENTS
Connections
LD-SWCX-MB1.....................................................2
LD-SWCX-MB2 ...................................................3
Programming .........................................................4
Troubleshooting .....................................................5
Connector View ......................................................6
Mercedes SWC (Steering Wheel Control)
and Data Interface 2001-2018
INTERFACE FEATURES
• Provides accessory power (12 volt 10-amp)
• Designed for non-amplified models
• Provides wires for multimedia radios (park brake, reverse, speed sense)
• Retains audio controls on the steering wheel
• Designed to be compatible with all major radio brands
• Auto detects vehicle type, radio connection, and preset controls
• Ability to dual assign steering wheel control buttons
• Retains memory settings even after battery disconnection or
interface removal (nonvolatile memory)
• Provides illumination output
• Micro-B USB updatable
APPLICATIONS
Mercedes
C Class ......................... 2001-2004
CLK Class ...................... 2004
CLK500 ........................ 2003
CLK55 AMG .................. 2003
C Class ......................... 2005-2011
CLK Class .....................2005-2009
E Class .........................2010-Up
G Class ......................... 2007-2012
GLK Class ...................... 2010-2012
R Class .........................2006-2011
SLK Class .....................2005-2011
Sprinter ....................... 2010-2018
• AXTC-MB1 Interface • 3.5mm Adapter
• LD-SWXC-MB1 Harness
• LD-SWXC-MB2 Harness
